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发明名称
OPTISCHES LESEGERAET FUER SEHSCHWACHE
摘要
申请公布号
DD225514(A1)
申请公布日期
1985.07.31
申请号
DD19840264838
申请日期
1984.07.02
申请人
VEB RATHENOWER,OPTISCHE WERKE,"HERMANN DUNCKER",,DD
发明人
METHLING,DIETER,DD;BECKER,HANS,DD;BLOCH,WULF,DD;LINDE,FRITZ,DD;MUSOLD,WOLFGANG,DD
分类号
G02B21/00;(IPC1-7):G02B27/02
主分类号
G02B21/00
代理机构
代理人
主权项
地址
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